Create app.py
Browse files
app.py
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import streamlit as st
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import torch
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from transformers import AutoModelForCausalLM, AutoTokenizer, TextStreamer
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# Set Streamlit page config
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st.set_page_config(page_title="ChatDoctor", page_icon="🩺")
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# Title
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st.title("🩺 ChatDoctor - Medical Assistant")
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# Load model and tokenizer
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@st.cache_resource
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def load_model():
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model = AutoModelForCausalLM.from_pretrained("abhiyanta/chatDoctor").to("cpu")
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tokenizer = AutoTokenizer.from_pretrained("abhiyanta/chatDoctor")
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return model, tokenizer
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model, tokenizer = load_model()
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# Alpaca-style prompt template
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alpaca_prompt = "### Instruction:\n{0}\n\n### Input:\n{1}\n\n### Output:\n{2}"
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# Text input for the user
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user_input = st.text_input("Ask your medical question:")
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# Button to trigger response
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if st.button("Ask ChatDoctor"):
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if user_input:
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# Format the prompt
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formatted_prompt = alpaca_prompt.format(
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user_input,
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"",
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""
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)
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# Tokenize and move to CPU
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inputs = tokenizer([formatted_prompt], return_tensors="pt").to("cpu")
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# Stream the generated output
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st.write("**ChatDoctor:**")
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text_streamer = TextStreamer(tokenizer, skip_prompt=True, skip_special_tokens=True)
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with st.spinner('Generating response...'):
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generated_ids = model.generate(**inputs, streamer=text_streamer, max_new_tokens=1000)
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else:
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st.warning("Please enter a question to ask ChatDoctor.")
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# Footer
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st.markdown("---")
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st.caption("Powered by Hugging Face 🤗 and bitsandbytes ⚡")
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